400 BC - 300 BC

Apollonia Pontica   Thracia
Απολλωνία Ευξείνου   Θράκη
 Drachm / Δραχμή AR 13
 SHH 7490

7490 Apollonia Pontica Thracia Drachm AR

Parameter

Obverse
Reverse
Notes
Reference


Provenance
 3.178 g   12.8-14.1 mm   2.151 eqmm(ρ=10.4 g/cm³)    tmax 3.3 mm  rh 0.55 mm
7.00 o'clock   VF  σmax(SigmaTest, 240 kHz) = obv. 11,3, rev. 10,8 MS/m
Facing head of Medusa,.tongue protruding
Anchor, crayfish to right, A to left.
Experimental specimen
BMC Mysia 8/10 (450-330 BC); Bulgaria 253; Copenhagen 454 (450-400 BC);
Dewing 1275 (450-400 BC); Head p.277 (450-400 BC); Moushmov ---;
Sear Greek 1655 (450-400 BC); Stancomb 34 variant (4th century BC)
Ex Concordia Numimsatik 4/23, 12.5.2023

Parameter            Measurement coordinates  x and y are  referred to the die orientation of the obverse
Elektrische Leitfähigkeit SigmaTest, 8 mm sensor, 31.5.2023
Comment
 κΗz
60
 120
 240
 480
 960
x
 y



σ  MS/m
mm
 mm
 eqmm












 SHH 7490 Pob00 Initial obv
13.0
 12.1
 10.8
 9.9
 9.3
0
 0
 2.151
 SHH 7490 Pre00 Initial rev
12.7
 11.7
 10.5
 9.4
 8.7
0
 0
 2.151

Composition Niton XL2 air plus, 8 mm Colimator, ??.?.2023
Comments

Cu
 Sn
 Pb
 Zn
 As
 Au
 Ag
 Fe
 Ni
 Cr
 Al
 Si
 P
x
 y



%
 %
 %
 %
 %
 %
 %
 %
 %
 %
 %
 %
 %
mm
 mm



















 SHH 7490 Pob00 Initial
 obv














0
 0
 SHH 7490 Pre00 Initial rev














0
 0